/* ==========================================================================
   Micro Wire Products - stylesheet
   Design: industrial catalog. Steel + copper (copper wire is the product).
   Display: Archivo · Body: Inter · Data/specs: IBM Plex Mono
   ========================================================================== */

:root {
  --ink:      #0b1c3f;   /* deepest navy - topbar, footer, darkest text */
  --steel:    #00318d;   /* brand blue - headings, page heads, structure */
  --navy-d:   #002468;   /* darker navy - gradients, depth */
  --steel-2:  #24406f;   /* secondary navy - lead text */
  --slate:    #56647d;   /* blue-gray secondary text */
  --slate-lt: #9aa7bd;
  --line:     #d5dce7;
  --line-2:   #e8ebf1;
  --bg:       #eef1f6;   /* cool off-white */
  --panel:    #ffffff;
  --copper:   #b0673a;   /* warm contrast accent - links, buttons */
  --copper-d: #8f5230;
  --copper-t: #f3e7dd;
  --pop:      #fdcc05;   /* brand yellow - used sparingly */
  --pop-d:    #e0b400;

  --wrap: 1140px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
  --radius: 3px;

  --shadow: 0 1px 2px rgba(20,24,29,.06), 0 10px 30px -18px rgba(20,24,29,.28);

  /* woven-mesh motif, faint - used in header bands */
  --mesh:
    repeating-linear-gradient(45deg,  rgba(255,255,255,.01) 0 2px, transparent 2px 7px),
    repeating-linear-gradient(-45deg, rgba(255,255,255,.01) 0 2px, transparent 2px 7px);
}

/* ---------- reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--copper-d); text-decoration: none; }
a:hover { text-decoration: underline; }
h1,h2,h3,h4 {
  font-family: "Archivo", system-ui, sans-serif;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--steel);
  margin: 0 0 .5em;
}

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

/* ---------- skip link / focus ---------- */
.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--steel); color: #fff; padding: .6rem 1rem;
}
.skip:focus { left: .5rem; top: .5rem; }
:focus-visible { outline: 3px solid var(--copper); outline-offset: 2px; }

/* ==========================================================================
   Header
   ========================================================================== */
.topbar {
  background: var(--ink);
  color: #c2ccdd;
  font-size: .82rem;
  letter-spacing: .04em;
  border-top: 3px solid var(--pop);   /* brand yellow - one sparing accent */
}
.topbar .wrap {
  display: flex; justify-content: space-between; align-items: center;
  min-height: 38px; gap: 1rem; flex-wrap: wrap;
}
.topbar .est { text-transform: uppercase; font-weight: 600; color: var(--slate-lt); }
.topbar a { color: #e7edf0; font-weight: 600; }
.topbar .tb-right { display: flex; gap: 1.4rem; align-items: center; }

.masthead {
  position: sticky; top: 0; z-index: 50;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.masthead .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 74px; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .8rem; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand img { height: auto; width: 280px; display: block; padding:4px 0; }
@media (max-width: 480px){ .brand img { height: auto; width:240px; } }
.brand .mark {
  width: 40px; height: 40px; flex: 0 0 auto;
  border: 2px solid var(--steel);
  display: grid; place-items: center;
  background-color: var(--steel);
  background-image:
    repeating-linear-gradient(45deg,  var(--pop) 0 2px, transparent 2px 6px),
    repeating-linear-gradient(-45deg, var(--pop) 0 2px, transparent 2px 6px);
}
.brand .wordmark { line-height: 1; }
.brand .wordmark b {
  display: block;
  font-family: "Archivo", sans-serif; font-weight: 800;
  font-size: 1.18rem; letter-spacing: -.01em; color: var(--steel);
  text-transform: uppercase;
}
.brand .wordmark span {
  display: block; font-size: .64rem; letter-spacing: .28em;
  text-transform: uppercase; color: var(--slate); margin-top: 3px;
}

/* ---------- nav ---------- */
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line);
  padding: .5rem .7rem; border-radius: var(--radius); cursor: pointer;
  font-size: 1.1rem; color: var(--steel);
}
.mainnav > ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .35rem; }
.mainnav ul { list-style: none; margin: 0; padding: 0; }
.mainnav a {
  display: block; padding: .7rem .9rem;
  font-weight: 600; font-size: .96rem; color: var(--steel);
  border-radius: var(--radius);
}
.mainnav a:hover { background: var(--copper-t); color: var(--copper-d); text-decoration: none; }
.mainnav a[aria-current="page"] { color: var(--steel); box-shadow: inset 0 -3px 0 var(--pop); }
.mainnav .has-sub { position: relative; }
.mainnav .has-sub > a::after { content: " ▾"; font-size: .7em; color: var(--slate); }
.submenu {
  position: absolute; left: 0; top: 100%; min-width: 250px;
  background: var(--panel); border: 1px solid var(--line);
  box-shadow: var(--shadow); border-radius: var(--radius);
  padding: .4rem; display: none; z-index: 60;
}
.mainnav .has-sub:hover .submenu,
.mainnav .has-sub:focus-within .submenu { display: block; }
.submenu a { padding: .55rem .7rem; font-weight: 500; font-size: .92rem; }
.submenu a:hover { background: var(--copper-t); }

/* ==========================================================================
   Hero slider (homepage) - text + image slides
   ========================================================================== */
.slider { position: relative; overflow: hidden; background: #0b1c3f; }
.slides { position: relative; height: 50vh; max-height: 600px; }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity .7s ease; pointer-events: none; }
.slide.is-active { opacity: 1; pointer-events: auto; }

.slide-inner { height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }

.slide-text { color: #fff; max-width: 46ch; }
.slide-text .eyebrow { color: var(--pop); }
.slide-text h2 { color: #fff; font-size: clamp(1.7rem, 3.6vw, 3rem); margin: 0 0 1rem; line-height: 1.05; }
.slide-text p { color: #eef2f8; margin: 0 0 1.2rem; }
.slide-cta { display: flex; gap: .7rem; flex-wrap: wrap; }
.slide-cta .btn { margin-top: .3rem; }

/* small product thumbnail, above the text, left-aligned (548x512 source) */
.slide-media { margin-bottom: 1.1rem; }
.slide-media .media-frame {
  width: clamp(120px, 17vw, 168px);
  aspect-ratio: 548 / 512;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden;
}
.slide-media .media-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* hero slide: building photo + dark overlay.  product slides: mesh gradient */
.slide--hero {
  background-image: linear-gradient(rgba(6,14,32,.7), rgba(6,14,32,.7)), url(../images/microwire_products-hero_building.webp);
  background-size: cover; background-position: center;
}
.slide--product {
  background-color: #000;
  background-image: var(--mesh), linear-gradient(150deg, #29406b, #000000);
}
.slide--hero .slide-text { max-width: 42ch; }

/* desktop: two columns [ text | image ] (markup is media-first, so order swaps them) */
@media (min-width: 761px) {
  .slide-inner.two-col { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: clamp(1.5rem, 4vw, 3rem); }
  .slide-inner.two-col .slide-text  { order: 1; }
  .slide-inner.two-col .slide-media { order: 2; margin-bottom: 0; }
  .slide-inner.two-col .slide-media .media-frame { width: clamp(240px, 30vw, 380px); }
}

.slider-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border: none; cursor: pointer;
  background: rgba(11,28,63,.6); color: #fff; font-size: 1.4rem;
  display: grid; place-items: center; z-index: 6;
}
.slider-btn:hover { background: var(--pop); color: var(--ink); }
.slider-btn.prev { left: 10px; } .slider-btn.next { right: 10px; }
.slider-dots { position: absolute; bottom: 14px; left: 0; right: 0; z-index: 6; display: flex; gap: 9px; justify-content: center; }
.slider-dots button { width: 11px; height: 11px; border-radius: 50%; border: 2px solid #fff; background: transparent; padding: 0; cursor: pointer; }
.slider-dots button[aria-current="true"] { background: var(--pop); border-color: var(--pop); }

@media (max-width: 760px) {
  .slides { height: 70vh; max-height: 700px; }
  .slide-text { max-width: none; }
  .slide-text .eyebrow { display: none; }   /* hide "Product" eyebrow for space */
  .slider-btn { display: none; }            /* arrows overlap text on small screens */
}

/* ==========================================================================
   Page header band (inner pages)
   ========================================================================== */
.pagehead {
  background-color: #000000;
  background-image: var(--mesh), linear-gradient(150deg, #29406b, #000000);
  color: #fff; padding: clamp(2rem,5vw,3.4rem) 0;
  border-bottom: 3px solid var(--copper);
}
.pagehead .eyebrow {
  font-family: "IBM Plex Mono", monospace; font-size: .74rem;
  letter-spacing: .22em; text-transform: uppercase; color: var(--pop);
  margin-bottom: .5rem;
}
.pagehead h1 { color: #fff; font-size: clamp(1.9rem, 4vw, 2.9rem); margin: 0; }
.crumbs { font-size: .82rem; color: #b9c4cc; margin-top: .8rem; }
.crumbs a { color: #dfe6ea; } .crumbs span { color: var(--slate-lt); }

/* ==========================================================================
   Content
   ========================================================================== */
main { display: block; }
.section { padding: clamp(2.2rem, 5vw, 3.6rem) 0; }
.prose { max-width: 72ch; }
.prose p { margin: 0 0 1.1rem; }
.prose ul { margin: 0 0 1.2rem; padding-left: 1.15rem; }
.prose li { margin-bottom: .4rem; }
.lead { font-size: 1.18rem; color: var(--steel-2); }

.eyebrow {
  font-family: "IBM Plex Mono", monospace; font-size: .74rem;
  letter-spacing: .2em; text-transform: uppercase; color: var(--copper-d);
  margin-bottom: .5rem;
}

/* two-column media + text */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); align-items: start; }
.split.narrow-media { grid-template-columns: 340px 1fr; }
@media (max-width: 820px){ .split, .split.narrow-media { grid-template-columns: 1fr; } }

.figure { background: var(--panel); border: 1px solid var(--line); padding: 10px; box-shadow: var(--shadow); }
.figure img { width: 100%; }
.figure figcaption {
  font-family: "IBM Plex Mono", monospace; font-size: .72rem;
  color: var(--slate); text-transform: uppercase; letter-spacing: .08em;
  padding: .6rem .2rem .2rem;
}

/* callout list (bold advantage bullets) */
.checks { list-style: none; margin: 0 0 1.4rem; padding: 0; }
.checks li { position: relative; padding-left: 1.7rem; margin-bottom: .55rem; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: .7rem; height: .7rem; background: var(--copper);
  clip-path: polygon(0 40%, 40% 100%, 100% 0, 82% 0, 40% 62%, 14% 30%);
}

/* ---------- data / spec tables ---------- */
.spec-wrap { overflow-x: auto; margin: 0 0 1.5rem; }
table.spec {
  width: 100%; border-collapse: collapse; background: var(--panel);
  font-family: "IBM Plex Mono", monospace; font-size: .86rem;
  border: 1px solid var(--line);
}
table.spec caption {
  text-align: left; font-family: "Archivo",sans-serif; font-weight: 700;
  color: var(--steel); padding: 0 0 .6rem; caption-side: top;
}
table.spec th, table.spec td { padding: .6rem .8rem; text-align: left; border-bottom: 1px solid var(--line-2); vertical-align: top; }
table.spec thead th {
  background: var(--steel); color: #fff; text-transform: uppercase;
  font-size: .72rem; letter-spacing: .08em; border-bottom: none;
}
table.spec tbody tr:nth-child(even) { background: #f7f9f7; }
table.spec tbody tr:hover { background: var(--copper-t); }

/* ---------- product index cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px,1fr)); gap: 1rem; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.2rem 1.2rem 1.3rem; display: flex; flex-direction: column; gap: .3rem;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--copper); text-decoration: none; }
.card .idx { font-family: "IBM Plex Mono", monospace; font-size: .78rem; color: var(--copper-d); }
.card h3 { margin: .1rem 0 .1rem; font-size: 1.14rem; }
.card p { margin: 0; font-size: .9rem; color: var(--slate); }
.card .go { margin-top: auto; font-weight: 700; color: var(--copper-d); font-size: .9rem; }

/* ---------- intro / home ---------- */
.intro-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--gap); align-items: center; }
@media (max-width: 860px){ .intro-grid { grid-template-columns: 1fr; } }
.stat-row { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 1.4rem; }
.stat b { font-family:"Archivo",sans-serif; font-size: 2rem; color: var(--steel); display: block; line-height: 1; }
.stat b::after { content: ""; display: block; width: 26px; height: 3px; background: var(--pop); margin-top: 6px; }
.stat span { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--slate); }

.prodlist { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.prodlist li { border-bottom: 1px solid var(--line); }
.prodlist a {
  display: flex; justify-content: space-between; align-items: center;
  padding: .85rem .3rem; font-weight: 600; color: var(--steel);
}
.prodlist a:hover { color: var(--copper-d); text-decoration: none; padding-left: .8rem; transition: padding .15s; }
.prodlist a::after { content: "→"; color: var(--copper); }

/* ---------- CTA band ---------- */
.cta {
  background-color: #000000;
  background-image: var(--mesh), linear-gradient(150deg, #29406b, #000000);
  color: #fff; padding: clamp(2rem,5vw,3rem) 0; text-align: center;
}
.cta h2 { color: #fff; }
.cta p { color: #c6d0d6; max-width: 52ch; margin-inline: auto; }
/* Buttons - default (on white): brand blue. --pop variant (on dark): brand yellow */
.btn {
  display: inline-block; background: var(--steel); color: #fff;
  padding: .8rem 1.5rem; font-weight: 700; border-radius: var(--radius);
  border: none; cursor: pointer; font-size: 1rem; margin-top: 1rem;
  font-family: "Archivo", sans-serif; letter-spacing: .02em;
}
.btn:hover { background: var(--navy-d); text-decoration: none; color:#fff; }
.btn.ghost { background: transparent; border: 2px solid var(--steel); color: var(--steel); padding: calc(.8rem - 2px) calc(1.5rem - 2px); }
.btn.ghost:hover { background: var(--steel); color: #fff; }
/* on dark backgrounds */
.btn--pop { background: var(--pop); color: var(--ink); }
.btn--pop:hover { background: var(--pop-d); color: var(--ink); }
.btn--pop.ghost { background: transparent; border: 2px solid var(--pop); color: var(--pop); }
.btn--pop.ghost:hover { background: var(--pop); color: var(--ink); }

/* ==========================================================================
   Gallery
   ========================================================================== */
.gal-section + .gal-section { margin-top: 2.5rem; }
.gal-head { display: flex; align-items: baseline; gap: 1rem; border-bottom: 2px solid var(--copper); padding-bottom: .5rem; margin-bottom: .3rem; }
.gal-head h2 { margin: 0; }
.gal-note { font-size: .85rem; color: var(--slate); margin: .6rem 0 1.2rem; }
.gal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px,1fr)); gap: .8rem; }
.gal-item {
  background: var(--panel); border: 1px solid var(--line); padding: 6px;
  cursor: zoom-in; text-align: center; transition: border-color .15s, transform .15s;
}
.gal-item:hover { border-color: var(--copper); transform: translateY(-2px); text-decoration: none; }
.gal-item img { width: 100%; aspect-ratio: 1; object-fit: cover; background: #f0f2f0; }
.gal-item .code {
  display: block; font-family: "IBM Plex Mono", monospace; font-size: .72rem;
  color: var(--steel); margin-top: .4rem; word-break: break-word;
}
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 1rem; }
.cat-block { background: var(--panel); border: 1px solid var(--line); padding: 1rem; }
.cat-block h4 { margin: 0 0 .6rem; font-size: 1rem; color: var(--copper-d); }
.cat-block .thumbs { display: flex; flex-wrap: wrap; gap: .4rem; }
.cat-block .thumbs a { display: block; width: 64px; }
.cat-block .thumbs img { width: 64px; height: 64px; object-fit: cover; border: 1px solid var(--line); background: #f0f2f0; }

/* lightbox */
.lightbox {
  position: fixed; inset: 0; background: rgba(10,13,16,.92); z-index: 200;
  display: none; align-items: center; justify-content: center; padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 82vh; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.lightbox .lb-cap { position: absolute; bottom: 1.2rem; left: 0; right: 0; text-align: center; color: #cfd8de; font-family:"IBM Plex Mono",monospace; font-size:.85rem; }
.lightbox .lb-close { position: absolute; top: 1rem; right: 1.3rem; background: none; border: none; color: #fff; font-size: 2rem; cursor: pointer; line-height: 1; }
.lightbox .lb-nav { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.12); border: none; color:#fff; font-size: 2rem; width: 52px; height: 52px; cursor: pointer; }
.lightbox .lb-nav:hover { background: var(--copper); }
.lightbox .lb-prev { left: 1rem; } .lightbox .lb-next { right: 1rem; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--gap); }
@media (max-width: 820px){ .contact-grid { grid-template-columns: 1fr; } }
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .35rem; color: var(--steel); }
.field input, .field textarea {
  width: 100%; padding: .7rem .8rem; border: 1px solid var(--line);
  border-radius: var(--radius); font: inherit; font-size: .95rem; background: var(--panel);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--copper); outline: none; box-shadow: 0 0 0 3px var(--copper-t); }
.info-card { background: var(--panel); border: 1px solid var(--line); padding: 1.4rem; box-shadow: var(--shadow); }
.info-card h3 { font-size: 1.05rem; }
.info-card .row { display: flex; gap: .6rem; padding: .5rem 0; border-bottom: 1px solid var(--line-2); }
.info-card .row:last-child { border-bottom: none; }
.info-card .k { font-family:"IBM Plex Mono",monospace; font-size:.75rem; text-transform:uppercase; letter-spacing:.08em; color: var(--slate); min-width: 62px; }
.hours dt { font-weight: 700; color: var(--copper-d); margin-top: .8rem; font-size: .95rem; }
.hours dd { margin: .2rem 0 0; color: var(--steel-2); font-size: .92rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--ink); color: #aeb9c1; padding: 2.6rem 0 1.6rem; margin-top: 3rem; }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
@media (max-width: 760px){ .site-footer .cols { grid-template-columns: 1fr; gap: 1.4rem; } }
.site-footer h5 { font-family:"Archivo",sans-serif; color: #fff; text-transform: uppercase; letter-spacing:.08em; font-size:.8rem; margin:0 0 .8rem; }
.site-footer a { color: #cdd6dc; font-size: .92rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .4rem; }
.site-footer .legal { border-top: 1px solid #2a333b; margin-top: 2rem; padding-top: 1.2rem; font-size: .8rem; color: var(--slate); display:flex; justify-content:space-between; flex-wrap:wrap; gap:.5rem; }
.site-footer .brand .wordmark b { color:#fff; } .site-footer .brand .wordmark span { color: var(--slate-lt); }

/* ==========================================================================
   Motion / responsive
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
  .slide { transition: none !important; }
}
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .mainnav {
    position: absolute; top: 100%; left: 0; right: 0; background: var(--panel);
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    display: none; padding: .6rem;
  }
  .mainnav.open { display: block; }
  .mainnav > ul { flex-direction: column; gap: 0; }
  .mainnav a { padding: .8rem .6rem; border-radius: 0; }
  .submenu { position: static; display: block; box-shadow: none; border: none; border-left: 2px solid var(--copper-t); margin-left: .8rem; padding-left: .4rem; }
  .mainnav .has-sub > a::after { content: ""; }
}

/* ==========================================================================
   Gallery accordion + category groups (added)
   ========================================================================== */
.gal-accordion { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); margin-bottom: 1.2rem; overflow: hidden; }
.gal-accordion > summary {
  cursor: pointer; list-style: none; padding: 1rem 1.2rem;
  font-family:"Archivo",sans-serif; font-weight:800; font-size:1.15rem; color: var(--steel);
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  background: linear-gradient(150deg,#f3f6fb,#eaeef5); border-bottom: 3px solid var(--copper);
}
.gal-accordion > summary::-webkit-details-marker { display:none; }
.gal-accordion > summary::after { content:"+"; font-size:1.5rem; line-height:1; color: var(--copper-d); font-weight:400; }
.gal-accordion[open] > summary::after { content:"\2013"; }
.gal-accordion > summary:hover { background: linear-gradient(150deg,#eef2f9,#e3e9f2); }
.gal-accordion .acc-body { padding: 1.2rem; }
.gal-accordion .acc-note { font-size:.85rem; color:var(--slate); margin:0 0 1rem; }

/* category groups */
.cat-row-4 { display:grid; grid-template-columns: repeat(4,1fr); gap:1rem; }
.cat-full + .cat-full { margin-top:1rem; }
.cat-block h4 { margin: 0 0 .7rem; font-size: 1.02rem; color: var(--steel); }
.cat-block .thumbs { display:grid; grid-template-columns: repeat(auto-fill,minmax(120px,1fr)); gap:.6rem; }
.cat-block .thumbs a { display:block; width:auto; }
.cat-block .thumbs img { width:100%; height:auto; aspect-ratio:1; object-fit:cover; border:1px solid var(--line); background:#f0f2f0; }
.cat-row-4 .cat-block .thumbs { grid-template-columns: 1fr; }           /* 1-2 images: let them grow */
.cat-full .cat-block .thumbs { grid-template-columns: repeat(auto-fill,minmax(150px,1fr)); }

@media (max-width: 760px){
  .cat-row-4 { grid-template-columns: 1fr; }                            /* columns stack */
  .cat-block .thumbs, .cat-row-4 .cat-block .thumbs, .cat-full .cat-block .thumbs {
    grid-template-columns: repeat(2,1fr);                               /* images stay 2-col */
  }
}

/* ==========================================================================
   Mist eliminators - applications card grid (added)
   ========================================================================== */
.app-grid { display:grid; grid-template-columns: repeat(auto-fill,minmax(230px,1fr)); gap:1rem; margin:1rem 0 1.5rem; }
.app-card { background: var(--panel); border:1px solid var(--line); border-left:3px solid var(--copper); border-radius:var(--radius); padding:1rem 1.1rem; }
.app-card h4 { margin:0 0 .35rem; font-size:1rem; color:var(--steel); }
.app-card p { margin:0; font-size:.9rem; color:var(--slate); }

/* two-panel row for advantages / operation */
.panel { background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:1.3rem 1.4rem; box-shadow:var(--shadow); }
.panel h3 { margin-top:0; }

/* footer logo (white version on dark footer) */
.site-footer .brand img { height: 44px; width: auto; }

/* topbar on small screens: hide fax, shrink the tagline + phone so it doesn't wrap awkwardly */
@media (max-width: 640px) {
  .topbar { font-size: .72rem; letter-spacing: .02em; }
  .topbar .est { font-size: .64rem; }
  .topbar .tb-right > span { display: none; }   /* hide fax */
  .topbar .tb-right a { font-size: .72rem; }
}